How to do Win7 program response time is too long

What should I do if the response time of the Win7 program is too long?
In Windows 7, the search function of the system integration is very powerful. As long as the user opens the start menu and starts to input the search content, the search function can be found regardless of the application, text document, etc. Automatic operation, bringing great convenience to the user's operation. However, some people have reported that the program response time is relatively long.
Below, let's take a look at how to shorten the program response time.
First step, enter “regedit” in the start menu search box, then press Enter to open the registry editor.
The second step, expand the registry key "HKEY_CURRENT_USERControl PanelDesktop", right-click in the blank space on the right side of the window, and create a new "DWord 32-bit value".
The third step is to rename the newly created value to “WaitToKillAppTimeout”, the system default value data is ““0”; no need to modify, directly save and modify and exit.